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Add hovering and selecting.

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This commit is contained in:
Chandler Cox
2025-12-15 21:22:11 -06:00
parent 88b02105b3
commit 56e6df261d
2 changed files with 108 additions and 10 deletions
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113
Source/Editor/Gizmo/DirectionGizmo.cs
View File

@@ -12,8 +12,9 @@ public class DirectionGizmo
private ViewportProjection _viewportProjection;
private EditorViewport _viewport;
private Vector3 _gizmoCenter;
private float _axisLength = 70.0f;
private float _textAxisLength = 85.0f;
private float _axisLength = 75.0f;
private float _textAxisLength = 95.0f;
private float _spriteRadius = 12.0f;
private AxisData _xAxisData;
private AxisData _yAxisData;
@@ -23,11 +24,15 @@ public class DirectionGizmo
private AxisData _negZAxisData;
private List<AxisData> _axisData = new List<AxisData>();
private int _hoveredAxisIndex = -1;
private SpriteHandle _posHandle;
private SpriteHandle _negHandle;
private FontReference _fontReference;
// Store sprite positions for hover detection
private List<(Float2 position, AxisDirection direction)> _spritePositions = new List<(Float2, AxisDirection)>();
private struct ViewportProjection
{
@@ -60,6 +65,17 @@ public class DirectionGizmo
public string Label;
public Color AxisColor;
public bool Negative;
public AxisDirection Direction;
}
private enum AxisDirection
{
PosX,
PosY,
PosZ,
NegX,
NegY,
NegZ
}
/// <summary>
@@ -72,13 +88,13 @@ public class DirectionGizmo
_viewport = owner.Viewport;
_viewportProjection.Init(owner.Viewport);
_xAxisData = new AxisData { Delta = new Float2(0, 0), Distance = 0, Label = "X", AxisColor = new Color(1.0f, 0.0f, 0.02745f, 1.0f), Negative = false };
_yAxisData = new AxisData { Delta = new Float2(0, 0), Distance = 0, Label = "Y", AxisColor = new Color(0.239215f, 1.0f, 0.047058f, 1.0f), Negative = false };
_zAxisData = new AxisData { Delta = new Float2(0, 0), Distance = 0, Label = "Z", AxisColor = new Color(0.0f, 0.0235294f, 1.0f, 1.0f), Negative = false };
_xAxisData = new AxisData { Delta = new Float2(0, 0), Distance = 0, Label = "X", AxisColor = new Color(1.0f, 0.0f, 0.02745f, 1.0f), Negative = false, Direction = AxisDirection.PosX };
_yAxisData = new AxisData { Delta = new Float2(0, 0), Distance = 0, Label = "Y", AxisColor = new Color(0.239215f, 1.0f, 0.047058f, 1.0f), Negative = false, Direction = AxisDirection.PosY };
_zAxisData = new AxisData { Delta = new Float2(0, 0), Distance = 0, Label = "Z", AxisColor = new Color(0.0f, 0.0235294f, 1.0f, 1.0f), Negative = false, Direction = AxisDirection.PosZ };
_negXAxisData = new AxisData { Delta = new Float2(0, 0), Distance = 0, Label = "-X", AxisColor = new Color(1.0f, 0.0f, 0.02745f, 1.0f), Negative = true };
_negYAxisData = new AxisData { Delta = new Float2(0, 0), Distance = 0, Label = "-Y", AxisColor = new Color(0.239215f, 1.0f, 0.047058f, 1.0f), Negative = true };
_negZAxisData = new AxisData { Delta = new Float2(0, 0), Distance = 0, Label = "-Z", AxisColor = new Color(0.0f, 0.0235294f, 1.0f, 1.0f), Negative = true };
_negXAxisData = new AxisData { Delta = new Float2(0, 0), Distance = 0, Label = "-X", AxisColor = new Color(1.0f, 0.0f, 0.02745f, 1.0f), Negative = true, Direction = AxisDirection.NegX };
_negYAxisData = new AxisData { Delta = new Float2(0, 0), Distance = 0, Label = "-Y", AxisColor = new Color(0.239215f, 1.0f, 0.047058f, 1.0f), Negative = true, Direction = AxisDirection.NegY };
_negZAxisData = new AxisData { Delta = new Float2(0, 0), Distance = 0, Label = "-Z", AxisColor = new Color(0.0f, 0.0235294f, 1.0f, 1.0f), Negative = true, Direction = AxisDirection.NegZ };
_axisData.EnsureCapacity(6);
_posHandle = Editor.Instance.Icons.VisjectBoxClosed32;
@@ -87,6 +103,66 @@ public class DirectionGizmo
_fontReference = new FontReference(Style.Current.FontSmall);
_fontReference.Size = 8;
}
private bool IsPointInSprite(Float2 point, Float2 spriteCenter)
{
Float2 delta = point - spriteCenter;
float distanceSq = delta.LengthSquared;
float radiusSq = _spriteRadius * _spriteRadius;
return distanceSq <= radiusSq;
}
/// <summary>
/// Updates the gizmo for mouse interactions (hover and click detection).
/// </summary>
public void Update(Float2 mousePos)
{
_hoveredAxisIndex = -1;
// Check which axis is being hovered - check from end (closest) to start (farthest) for proper layering
for (int i = _spritePositions.Count - 1; i >= 0; i--)
{
if (IsPointInSprite(mousePos, _spritePositions[i].position))
{
_hoveredAxisIndex = i;
break;
}
}
}
/// <summary>
/// Handles mouse click on direction gizmo sprites.
/// </summary>
public bool OnMouseDown(Float2 mousePos)
{
// Check which axis is being clicked - check from end (closest) to start (farthest) for proper layering
for (int i = _spritePositions.Count - 1; i >= 0; i--)
{
if (IsPointInSprite(mousePos, _spritePositions[i].position))
{
OrientViewToAxis(_spritePositions[i].direction);
return true;
}
}
return false;
}
private void OrientViewToAxis(AxisDirection direction)
{
Quaternion orientation = direction switch
{
AxisDirection.PosX => Quaternion.Euler(0, 90, 0),
AxisDirection.NegX => Quaternion.Euler(0, -90, 0),
AxisDirection.PosY => Quaternion.Euler(-90, 0, 0),
AxisDirection.NegY => Quaternion.Euler(90, 0, 0),
AxisDirection.PosZ => Quaternion.Euler(0, 0, 0),
AxisDirection.NegZ => Quaternion.Euler(0, 180, 0),
_ => Quaternion.Identity
};
_viewport.ViewOrientation = orientation;
}
/// <summary>
/// Used to Draw the gizmo.
@@ -144,24 +220,41 @@ public class DirectionGizmo
_axisData.Clear();
_axisData.AddRange([_xAxisData, _yAxisData, _zAxisData, _negXAxisData, _negYAxisData, _negZAxisData]);
_axisData.Sort( (a, b) => -a.Distance.CompareTo(b.Distance));
// Rebuild sprite positions list for hover detection
_spritePositions.Clear();
// Draw in order from farthest to closest
foreach (var axis in _axisData)
for (int i = 0; i < _axisData.Count; i++)
{
var axis = _axisData[i];
Float2 tipScreen = relativeCenter + axis.Delta * _axisLength;
Float2 tipTextScreen = relativeCenter + axis.Delta * _textAxisLength;
bool isHovered = _hoveredAxisIndex == i;
// Store sprite position for hover detection
_spritePositions.Add((tipTextScreen, axis.Direction));
if (!axis.Negative)
{
Render2D.DrawLine(relativeCenter, tipScreen, axis.AxisColor, 2.0f);
Render2D.DrawSprite(_posHandle, new Rectangle(tipTextScreen - new Float2(12, 12), new Float2(24, 24)), axis.AxisColor);
var font = _fontReference.GetFont();
Render2D.DrawText(font, axis.Label, Color.Black, tipTextScreen - font.MeasureText(axis.Label) * 0.5f);
Color textColor = isHovered ? Color.White : Color.Black;
Render2D.DrawText(font, axis.Label, textColor, tipTextScreen - font.MeasureText(axis.Label) * 0.5f);
}
else
{
Render2D.DrawSprite(_posHandle, new Rectangle(tipTextScreen - new Float2(12, 12), new Float2(24, 24)), axis.AxisColor.RGBMultiplied(0.65f));
Render2D.DrawSprite(_negHandle, new Rectangle(tipTextScreen - new Float2(12, 12), new Float2(24, 24)), axis.AxisColor);
// Draw white label text on hover for negative axes
if (isHovered)
{
var font = _fontReference.GetFont();
Render2D.DrawText(font, axis.Label, Color.White, tipTextScreen - font.MeasureText(axis.Label) * 0.5f);
}
}
}
}

5
Source/Editor/Viewport/MainEditorGizmoViewport.cs
View File

@@ -612,6 +612,8 @@ namespace FlaxEditor.Viewport
{
base.OnMouseMove(location);
_directionGizmo.Update(location);
// Don't allow rubber band selection when gizmo is controlling mouse, vertex painting mode, or cloth painting is enabled
bool canStart = !(IsControllingMouse || IsRightMouseButtonDown || IsAltKeyDown) &&
Gizmos?.Active is TransformGizmo && !Gizmos.Active.IsControllingMouse;
@@ -622,6 +624,9 @@ namespace FlaxEditor.Viewport
protected override void OnLeftMouseButtonDown()
{
base.OnLeftMouseButtonDown();
if (_directionGizmo.OnMouseDown(_viewMousePos))
return;
_rubberBandSelector.TryStartingRubberBandSelection();
}